Use After Free Affecting kernel-rt-debug-modules-extra package, versions <0:4.18.0-425.3.1.rt7.213.el8
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTDEBUGMODULESEXTRA-2433377
- published 25 Mar 2022
- disclosed 23 Mar 2022
Introduced: 23 Mar 2022
CVE-2022-1048 Open this link in a new tabHow to fix?
Upgrade Centos:8 kernel-rt-debug-modules-extra to version 0:4.18.0-425.3.1.rt7.213.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules-extra package and not the kernel-rt-debug-modules-extra package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
A use-after-free flaw was found in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the system.
References
- https://access.redhat.com/security/cve/CVE-2022-1048
- https://access.redhat.com/errata/RHSA-2022:7444
- https://bugzilla.redhat.com/show_bug.cgi?id=2066706
- https://lore.kernel.org/lkml/20220322170720.3529-5-tiwai@suse.de/T/#m1d3b791b815556012c6be92f1c4a7086b854f7f3
- https://security.netapp.com/advisory/ntap-20220629-0001/
- https://www.debian.org/security/2022/dsa-5127
- https://www.debian.org/security/2022/dsa-5173
- https://lore.kernel.org/lkml/20220322170720.3529-5-tiwai%40suse.de/T/#m1d3b791b815556012c6be92f1c4a7086b854f7f3